baber/WOPTO huggingface dataset:
Patent CA-2012112-C (CA)
Inventor: SMITH RICHARD V
IPC: B21F27/12
Filed: 1990-03-14
Granted: 1994-05-10
Abstract: METHOD AND APPARATUS FOR FORMING WIRE MESH CAGES                 ABSTRACT OF THE DISCLOSURE           A method and apparatus for automatically forming and welding wire mesh cages useful in reinforcing standard concrete pipe.  Prefabricated wire mesh is fed from a coil through a straightener and shear section onto a mandrel.  A predetermined length of the wire mesh is sheared and then rolled in cage form on the mandrel and, once rolled, is welded to retain the mandrel shape.  The entire operation is automatically controlled by an integrated electrical control and logic system and is run by a single operator.  The welding system employs a plurality of small TIG welders which are operated in sequence to reduce power supply demands and which can weld wire in any condition even rusted wire.
Patent CA-2013004-C (CA)
Title: Protective cover for exposed transformer terminals
Inventor: KOTZ JEFFREY F
IPC: H01F27/29
Filed: 1990-03-23
Granted: 1995-08-29
Abstract: For use with transformers, a protective cover device for protecting exposed transformer terminals from external forces which may damage the terminal to coil lead wire connection.  The protective cover includes a rear flange, having first and second legs extending perpendicularly from opposite minor edges of the rear flange.  A generally L-shaped guard structure having a large radiused knee, extends from the rear flange.  An inner surface of each of the flange first and second legs include mounting devices arranged to interlockingly engage the transformer, thereby posi-tioning the guard structure to shroud and protect the transformer terminals.
Patent CA-2015647-C (CA)
Title: Valve used in a hydraulic drilling jar
Inventor: WENZEL KENNETH HUGO
IPC: E21B17/00
Filed: 1990-04-27
Granted: 1996-08-13
Abstract: An improvement in a valve used in a hydraulic drilling jar. A fluid chamber is divided into a first chamber and a second chamber by a restrictive bore. An annular valve is mounted on the exterior surface of the mandrel between a first shoulder and a second shoulder . The valve has a first end, a second and and an exterior surface. The valve substantially obstructs the flow of fluid within the fluid chamber when the valve is positioned in the restrictive bore. The valve has a first bypass passage whereby fluid passes from the first chamber to the second chamber creating a time delay as the valve slowly moves out of the restrictive bore whereupon the telescopic movement of the mandrel in a first direction is unrestricted. The valve has a second bypass passage whereby fluid passes from the second chamber to the first chamber creating a time delay as the valve slowly moves out of the restrictive bore whereupon the telescopic movement of the mandrel in a second direction is unrestricted. The valve is slidably moveable on the mandrel between the first shoulder and the second shoulder such that the second shoulder obstructs the second bypass passage when the mandrel moves in the first direction and the first shoulder obstructs the first passage when the mandrel moves in the second direction .
Patent CA-2020125-C (CA)
Title: Procede de moulage d'un pneumatique, et moule pour la mise en oeuvre dudit procede
Inventor: LUROIS PATRICK
IPC: B29D30/06
Filed: 1990-06-29
Granted: 1995-12-12
Abstract: Procédé de moulage d'un pneumatique, et moule pour la mise en oeuvre du procédé. Pour assurer la régularité géométrique d'un pneumatique moulé avec un moule à segments, lorsque la sculpture du pneumatique comporte des blocs entourés d'évidements constitués par des rainures et des incisions, on amincit les rainures au niveau des plans de joints entre segments. En outre, on dispose des témoins d'usure au niveau des joints entre segments.
Patent CA-2021245-C (CA)
Inventor: COATES GEORGE J
IPC: F01L7/18
Filed: 1990-07-16
Granted: 1994-08-02
Abstract: An improved rotary valve assembly for use in internal combustion engines involving a two-piece cylinder head accom-modating rotary intake valves and rotary exhaust valves mounted on independent shafts, operating at one-quarter speed of the crankshaft rotation with each of the rotary intake valves and rotary exhaust valves having two passageways for the intro-duction and interruption of fuel/aif mixture into the cylinder and the evacuation and interruption of evacuation of the spent gases from the cylinder, cespectively, the lubcication of the rotary valve assembly being by a drip feed through a longi-tudinal conduit in each respective shaft and radial conduits in each respective shaft in registration with the bearing means supporting the shaft within the cylinder head.
Patent CA-2021278-C (CA)
Title: Apparatus for mounting foldable branches to an artificial tree
Inventor: SPIEGEL SI
IPC: A47G33/06
Filed: 1990-07-16
Granted: 1994-10-11
Abstract: An improved apparatus for mounting artificial tree branches to an artificial tree trunk.  A series of bracket guideways, each bridged by a horizontal pin, are adapted for pivotal engagement each with a branch member for movement between stowed and operative positions.  Each branch mounts a hinge piece adjacent to one end adapted for pivotal engagement with the horizontal pin as the branch moves between stowed and operative positions, the hinge piece suspending the branch radially from the tree trunk when in an operative position.  Snaps secure the branch in a groove on the hinge piece to restrict movement of the branch about the bracket when in either a stowed or an operative position.  Extended bracket guideways and a hinge piece back stop also assist in securing the branch to the hinge piece and restricting radial movement of the branch about the bracket.
Patent CA-2021992-C (CA)
Inventor: FREUDENBERG TILLMAN
IPC: F16M7/00
Filed: 1990-07-26
Granted: 1994-10-04
Abstract: A hydraulically damped vibration isolating elastomeric mount, such as a motor mount, in which a working chamber is defined by an elastomeric spring element, a support, a mounting base, and an end wall to the chamber which can flex towards and away from the working chamber.  The end wall has an elastic mounting means allowing it to contact a stop surface at the limit of its travel.  The elastic mounting means is connected directly to the mounting base, and the stop surface is associated rigidly with the base.  The end wall is thus freely movable when acoustically undesirable vibrations are induced in the mount and their transmission through the mount is reduced.  The end wall can be fixed in position by vacuum or mechanical means so that vibration damping of the mount is effected by allowing the hydraulic fluid to pass in and out of the chamber through a flow restricting orifice.  This provides damping of larger amplitude lower frequency vibration such as when a mounted motor is at or near idling speed.
Patent CA-2025234-C (CA)
Inventor: MARCUCCI ALBERT
IPC: A61B17/50
Filed: 1990-09-13
Granted: 1993-09-07
Abstract: ABSTRACT OF THE DISCLOSURE           PORTABLE HEIMLICH MANOEUVRE DEVICE   A device for use in performing the Heimlich manoeuvre comprises a domed element forwardly supported from a handle extending on diametric sides thereof. Preferably the domed element extends rearwardly of the handle. The device permits the manoeuvre to be performed by one person on another, or for it to be self-applied.
Patent CA-2025882-C (CA)
Title: Antenna apparatus
Inventor: YOSHIDA SHIGEYUKI
IPC: H01Q1/36
Filed: 1990-09-20
Granted: 1997-07-01
Abstract: An antenna apparatus to be used in a wireless equipment in which an element part of an external antenna is made of work hardening alloy and even if a large external force is applied to the element part, a removal of this external force causes the antenna to be recovered to its original state.  A bending or breaking of the element part are prevented to reduce a deterioration of electrical characteristics of the external antenna.  The element part can be bent and stored in a box of the wireless equipment, thereby the box of the wireless equipment can be reduced in size.
Patent CA-2035936-C (CA)
Title: Walking beam retainer
Inventor: STEVENS PHILLIP EUGENE
IPC: A01B73/04
Filed: 1991-02-07
Granted: 1995-08-15
Abstract: A wheel arrangement includes a retainer mechanism with a spring-loaded pin mounted on the walking beam of a support wheel assembly on a folding implement.  A mating retainer supported on the wheel support tube is normally offset from the pin when the implement is in the lowered field-working position.  As the implement is raised toward the transport position and the angle of the beam changes relative to the support tube, the pin settles in a central notch in the retainer.  The retainer mechanism maintains a preselected angle between the beam and the support tube as the outrigger is moved upwardly and the outrigger wheels are raised from the ground, thereby preventing unwanted rocking of the walking beam during transport and maintaining the wheels in a noninterfering relationship with other portions of the implement.
Patent CA-2040021-C (CA)
Inventor: MCELROY HOWARD J
IPC: F16L23/14
Filed: 1991-04-08
Granted: 1996-07-23
Abstract: A duct joining system having two L-shaped connectors for each duct corner.  Each connector has two substantially perpendicular legs forming a corner region and has an inside and an outside surface with the outside surface of one L-shaped connector abutting the outside surface of the other L-shaped connector when the ducts are joined.  A orifice is formed in the corner region of each L-shaped connector in alignment with the orifice in the abutting connector.  A cleat is integrally formed with and extends inwardly from the peripheral edge of each of the orifices.  A score line is formed at the base of each cleat on the outside surface of the connector to allow the cleat to be bent outwardly about the score line so as to extend through, and over the peripheral edge of, the orifice in the abutting L-shaped connector to lock the connectors together.
Patent CA-2040756-C (CA)
Title: Long range bidirectional optical fiber communication link
Inventor: HSU HUI-PIN
IPC: H04B10/24
Filed: 1991-04-18
Granted: 1994-05-03
Abstract: ABSTRACT    A long-range optical fiber communication link overcoming certain constraints on signal transmission range imposed by fiber-induced loss is disclosed herein. A first embodiment of the communication link (10) of the present invention includes an optical fiber (16) having a first and a second end wherein the attenuation of optical energy  passing therethrough at wavelengths included within a transmission window is substantially minimized. The inventive link (10)  further includes a first arrangement (22) and  (36) for launching a first optical carrier of a first wavelength onto the first end of the fiber (16).  Provision is made within the launching arrangement (22) and  (36) for  impressing a first modulating signal spanning a first frequency spectrum upon the first carrier.  The first embodiment also includes a second arrangement (26)  and   (37)  for launching a second optical carrier of a second wavelength onto the second end of the fiber, wherein the second wavelength is included within the transmission window. The second launching arrangement (26) and  (37) is further disposed to impress upon the second carrier a second modulating signal spanning a second frequency spectrum segregated from the first spectrum.  A first receiver (64) of a first bandwidth encompassing the first frequency spectrum is coupled to the second end of the fiber (16). The first receiver (64) is operative to extract the first modulating signal from the first optical carrier.  Similarly, a second receiver (58) having a second bandwidth encompassing the second frequency spectrum is coupled to the first end of the fiber (16). The second receiver (58) is disposed to extract the second modulating signal from the second optical carrier.
Patent CA-2046991-C (CA)
Title: Measuring device for granular or powdery products and method for mixing raw rubber with the said device
Inventor: LAURENT DANIEL
IPC: G01F11/24
Filed: 1991-07-12
Granted: 2000-12-12
Abstract: Metering device for introducing controlled volumes of a powdered or granular material into a process such as extrusion compounding (90) comprises a horizontal turntable (21) onto which material is dropped at approximately the required input rate. The turntable is confined by a chamber (2) which can accommodate surges of excess material. The turntable has a thick rim (23) on its upper border with at least one opening (24) and which passes between the wall (3) of a surrounding block (30) and a marking piece (4) that covers part of the path of the rim and opposite which is a discharge outlet (5) into a chamber (6) in the equipment receiving the material. The material is positively transferred from (2) into (24) and from (24) into (6) by centrifugal effects, and the material transfer rate thereby a direct function of the volume of material contd. in (24) between (3) and (4), the number of openings (24) in the rim and the rate of rotation of (21). The material inlet chamber (2) and passage (6) pref. expand, to inhibit bridging. The turntable face features radial ribs (23) to promote radial flow into the opening(s) (24). One end(s) of each circumferential rim wall has a slight superficial groove (221) to induce an anticlogging effect alongside the wall of the entry chamber (31). Transfer from (6) to (90) may be ram assisted.
Patent CA-2051995-C (CA)
Title: Fluidized bed combustion system and method having a recycle heat exchanger with a non-mechanical solids control system
Inventor: DIETZ DAVID H
IPC: F22B31/00
Filed: 1991-09-20
Granted: 2004-01-27
Abstract: A fluidized bed combustion system and method in which a recycle heat exchange section is located within an enclosure housing the furnace section of the combustion system. The flue gases and entrained solids from a fluidized bed in the furnace section are separated and the flue gases are passed to a heat recovery section and the separated particulate material to the heat exchange section. The heat exchange section includes a bypass chamber for permitting the separated solids to pass directly from the separator to the furnace section. A heat exchange chamber is provided in the recycle heat exchange section which receives the separated materials from the bypass chamber and transfers heat from the separated material to a fluid flow circuit. The separated material in the heat exchange chamber is then passed back to the furnace section.
Patent CA-2056185-C (CA)
Title: Multistage amplifier
Inventor: SHIGA NOBUO
IPC: H01P3/08
Filed: 1991-11-26
Granted: 1995-10-10
Abstract: A multistage amplifier for amplifying an input signal so as to output an amplified signal. The multistage amplifier is comprised of a plurality of transistors that are monolithically formed around a central VIA hole.  Predetermined electrodes of the respective transistors are electrically connected to each other in the area immediately surrounding the central VIA hole and are connected to the VIA hole itself.  This allows for a reduction of the number of VIA holes used over conventional methods.  The distance between the central VIA hole and the predetermined electrodes of each of the transistors is minimal, as is the wiring pattern of each of the electrodes.  No scattering is caused by the characteristics of the transistors, as they are monolithically formed in the same manufacturing process.
Patent CA-2056322-C (CA)
Inventor: SOUDANT ETIENNE
IPC: A61K8/00
Filed: 1991-11-27
Granted: 2003-01-14
Abstract: Utilisation du ginkgo biloba en tant qu'alpha-2-bloqueur en association avec au moins un autre alpha-2-bloqueur dans la préparation d'une composition amincissante destinée à une application topique. L'application topique d'une telle composition anti-cellulitique est susceptible d'enrayer l'accumulation locale de graisses et ainsi améliore l'aspect esthétique de la peau.
Patent CA-2061111-C (CA)
Title: Process for the classification of large bovines, calves, hogs or ovines, and device for its application
Inventor: CHEVALIER PATRICK
IPC: G01N33/12
Filed: 1992-02-12
Granted: 1996-09-24
Abstract: This method consists in resting a half-carcase (4) on a support (7, 9) on the longitudinal face of the half-carcase corresponding to the axis of symmetry of the carcase, as well as on its dorsal face, in proximity to the lower part of the latter, that is to say the part situated on the side of the collar of the animal, in angularly positioning the carcase to take optical shots (C, D, E) at different angles, in the region of the hind quarters, of the thigh, of the upper part of the backbone and of the front part of the half-carcase corresponding to the bottom zone of the latter, in storing the shots in the memory of a computer, which already contains measurements of the weight and length of the half-carcase, in freeing the latter from the surfaces (7, 9) on which it is resting, then in processing the information obtained while taking account of theoretical information to make the classification of the carcase. 
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Patent CA-2062332-C (CA)
Title: Process for manufacturing petroleum resin
Inventor: TAKAHASHI AKIRA
IPC: C08F6/00
Filed: 1992-03-05
Granted: 2002-09-17
Abstract: A process for manufacturing a petroleum resin is disclosed. The process comprises, polymerizing a petroleum fraction containing unsaturated hydrocarbons in the presence of a Friedel-Crafts catalyst, and washing the polymerized product with water or an alkaline solution in the presence of 1-200 ppm of a polymer having a hydroxyl value of 40-120 mg KOH/g and represented by formula (I):    wherein R1 represents a C4-16 alkyl group, each R2 individually represents H or a methyl group, each X individually represents H, an alkyl or an aminomethyl group, n is an integer of 0-8, and m is an integer of 8-20. The process can remarkably shorten the time required for the separation of oil from water after the polymerization, producing transparent, light-colored, petroleum resins with a low ash content.
Patent CA-2064862-C (CA)
Title: Molded article of crystalline thermoplastic resin with high gas barrier property and production thereof
Inventor: TAKAHASHI TOMONORI
IPC: B29C55/18
Filed: 1991-06-14
Granted: 1998-05-19
Abstract: In one aspect of the invention,  there is provided a molded article of crystalline thermoplastic resin with high gas barrier property of which the resin has crystalline and non-crystalline regions, the enhancing effect on gas barrier property of uniaxial-uniplanar orientation of the crystal axis direction of crystallites of said crystalline regions being used and the crystallites orientation being optimized by specific conditions.    In another aspect of the invention, there is provided a molded  article  of  crystalline  thermoplastic  resin  with remarkably high gas barrier property by use of the synergistic enhancing effect on gas barrier property of the uniaxial-uniplanar orientation of crystallites with crystallinity of said crystalline regions, wherein the molded article of the first aspect of the invention is further annealed to increase the crystallinity of the crystalline regions.    The molded  articles  in  accordance with  the  present invention have excellent gas barrier properties, and they are not only useful as chilled beef packaging materials, but also useful for retort food packaging, pouch packaging, coating and protecting materials for ham and sausages, processed fish, processed seafood products such as boiled fish paste, dried food for sprinkling, soup powder, parched rice cake, curry powder, spices, vegetables, fruits and pharmaceutical.
Patent CA-2071518-C (CA)
Title: Oral composition for the treatment of inflammatory bowel diseases
Inventor: ULMIUS JAN
IPC: A61K9/52
Filed: 1990-11-15
Granted: 2002-11-12
Abstract: An oral pharmaceutical composition for use in the treatment of inflammatory bowel diseases and the use of certain gluco-corticosteroids in the preparation of pharmaceutical compositions for the treatment by the oral route of ulcerative colitis and cer-tain aspects of Crohn's disease.
Patent CA-2072302-C (CA)
Inventor: HILL THOMAS E
IPC: E21B10/62
Filed: 1992-06-25
Granted: 1995-05-09
Abstract: A rock drill bit having a shank and a replaceable cutting head, comprising steps of producing a shank having a tip with an outer surface having a given shape, producing a head having a working face at one end and a recess at the other end with a cross-section corresponding in shape to that of the shank tip, and having a size .15% less than that of the shank tip, cooling the shank in a cryogenic gas at ambient pressure to reduce its size, installing the head on the shank tip, and permitting the components to return to ambient temperature, to establish a shrink fit between the head and the shank.
Patent CA-2076671-C (CA)
Title: Molecular sieve regeneration process
Inventor: BODART PHILIPPE
IPC: C08J/
Filed: 1991-01-15
Granted: 2001-07-31
Abstract: Spent molecular sieve is regenerated after alkyl chlorides adsorption from hydrocarbon solvents by passing thereon an alkaline solution of an alkali metal salt having a pH of 7.5 - 10 and alkali metal concentration of at least 0.01 M.
Patent CA-2078608-C (CA)
Title: Superconducting magnet
Inventor: KAMEOKA YOKO
IPC: H01F6/02
Filed: 1992-09-18
Granted: 1996-04-16
Abstract: A superconducting magnet having a beam member installed diametrically in a ring superconducting coil container for supporting hoop stress of the coil being partly or entirely composed of electrical insulators or high resistivity materials.  Alternatively, a portion of the radiant heat shield covering the beam member can be partly or entirely composed of electrical insulators or high resistivity materials.  In accordance with the above arrangements, eddy current generated in the coil container when the container crosses a magnetic field caused by eddy current generated in the radiant heat shield when the shield crosses a strong magnetic field caused by the superconducting coil with relative vibration of the heat shield to the coil by a dynamic cause can be suppressed.  Accordingly, heat generation in the superconducting coil container can be reduced, and consequently, quenching of the superconductor can be reduced.
Patent CA-2079939-C (CA)
Inventor: GEIBEL JON FREDERICK
IPC: C08G75/02
Filed: 1992-10-06
Granted: 1997-08-19
Abstract: A method is provided for increasing reactant concentrations for the polymerization of PPS without creating a deterioration of the molecular weight of the resultant polymer by limiting the amount of by-product water present during the initial portion of the polymerization reaction.
Patent CA-2081507-C (CA)
Title: Process for producing epoxide
Inventor: MURAHASHI SHUN-ICHI
IPC: C07D303/22
Filed: 1992-10-27
Granted: 2004-04-06
Abstract: A process for producing an epoxide represented by the formula (2) which comprises reacting an olefin represented by the formula (1) with oxygen in the presence of an aldehyde and in the presence or absence of a proton source by using no catalyst or using an iron-containing or copper-containing catalyst.
Patent CA-2090873-C (CA)
Title: Infusion or transfusion needle assembly
Inventor: VAN DEN HAAK ABRAHAM
IPC: A61M25/06
Filed: 1991-08-02
Granted: 2002-11-26
Abstract: An infusion or transfusion needle assembly is described, at least comprising a hollow needle (4) fixed in a needle holder (8; 17), which needle holder is or can be connected to a connecting hose (6).  The needle holder (8; 17) is slidable accommodated in a sheath (2; 15, 16), and locking means are present between the needle holder (8; 17) and the sheath (2; 15, 16), said locking means being designed in such a way that after unlocking of the needle holder (8; 17) the needle (4) can be pushed fully into the sheath (2; 15, 16) and locked therein. Preferably, the sheath is composed of at least two mutually slidable and lockable parts (15, 16) to provide a relatively short needle assembly.